Class ValueInterval

java.lang.Object

org.h2.value.VersionedValue<Value>

org.h2.value.Value

org.h2.value.ValueInterval

All Implemented Interfaces:

HasSQL, Typed

public final class ValueInterval
extends Value

Implementation of the INTERVAL data type.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_PRECISION	The default leading field precision for intervals.
static final int	DEFAULT_SCALE	The default scale for intervals with seconds.
private final long	leading
static final int	MAXIMUM_PRECISION	The maximum leading field precision for intervals.
static final int	MAXIMUM_SCALE	The maximum scale for intervals with seconds.
private static final long[]	MULTIPLIERS
private final boolean	negative
private final long	remaining
private final int	valueType

Fields inherited from class Value

ARRAY, ASSIGN_TO, BIGINT, BINARY, BLOB, BOOLEAN, CAST_TO, CHAR, CLOB, CONVERT_TO, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, GROUP_BINARY_STRING, GROUP_BOOLEAN, GROUP_CHARACTER_STRING, GROUP_COLLECTION, GROUP_DATETIME, GROUP_INTERVAL_DT, GROUP_INTERVAL_YM, GROUP_NULL, GROUP_NUMERIC, GROUP_OTHER, GROUPS, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MAX_LONG_DECIMAL, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

Fields inherited from interface HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ValueInterval(int type, boolean negative, long leading, long remaining)

Method Summary

Modifier and Type	Method	Description
Value	add(Value v)	Add a value and return the result.
(package private) boolean	checkPrecision(long prec)	Check if the precision is smaller or equal than the given precision.
int	compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider)	Compare this value against another value given that the values are of the same data type.
boolean	equals(Object obj)	Check if the two values have the same hash code.
static ValueInterval	from(IntervalQualifier qualifier, boolean negative, long leading, long remaining)	Create a ValueInterval instance.
BigDecimal	getBigDecimal()
static int	getDisplaySize(int type, int precision, int scale)	Returns display size for the specified qualifier, precision and fractional seconds precision.
double	getDouble()	Returns this value as a Java double value.
float	getFloat()	Returns this value as a Java float value.
Interval	getInterval()	Returns the interval.
long	getLeading()	Returns value of leading field of this interval.
long	getLong()	Returns this value as a Java long value.
int	getMemory()	Get the memory used by this object.
IntervalQualifier	getQualifier()	Returns the interval qualifier.
long	getRemaining()	Returns combined value of remaining fields of this interval.
int	getSignum()
StringBuilder	getSQL(StringBuilder builder, int sqlFlags)	Appends the SQL statement of this object to the specified builder.
String	getString()	Get the value as a string.
TypeInfo	getType()	Returns the data type.
int	getValueType()	Get the value type.
int	hashCode()
boolean	isNegative()	Returns where the interval is negative.
Value	negate()	Return -value if this value support arithmetic operations.
(package private) ValueInterval	setPrecisionAndScale(TypeInfo targetType, Object column)
Value	subtract(Value v)	Subtract a value and return the result.

Methods inherited from class Value

cache, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, divide, getBoolean, getByte, getBytes, getBytesNoCopy, getDataConversionError, getDataConversionError, getHigherOrder, getHigherOrderKnown, getInputStream, getInputStream, getInt, getReader, getReader, getShort, getTypeName, getUnsupportedExceptionForOperation, getValueTooLongException, isFalse, isTrue, modulus, multiply, octetLength, rangeCheck, toString

Methods inherited from class VersionedValue

getCommittedValue, getCurrentValue, getOperationId, isCommitted

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface HasSQL

getSQL, getTraceSQL

Field Details

DEFAULT_PRECISION

public static final int DEFAULT_PRECISION

The default leading field precision for intervals.

See Also:

• Constant Field Values

MAXIMUM_PRECISION

public static final int MAXIMUM_PRECISION

The maximum leading field precision for intervals.

See Also:

• Constant Field Values

DEFAULT_SCALE

public static final int DEFAULT_SCALE

The default scale for intervals with seconds.

See Also:

• Constant Field Values

MAXIMUM_SCALE

public static final int MAXIMUM_SCALE

The maximum scale for intervals with seconds.

See Also:

• Constant Field Values

MULTIPLIERS

private static final long[] MULTIPLIERS

valueType

private final int valueType

negative

private final boolean negative

leading

private final long leading

remaining

private final long remaining

Constructor Details

ValueInterval

private ValueInterval(int type,
 boolean negative,
 long leading,
 long remaining)

Method Details

from

public static ValueInterval from(IntervalQualifier qualifier,
 boolean negative,
 long leading,
 long remaining)

Create a ValueInterval instance.

Parameters:

qualifier - qualifier

negative - whether interval is negative

leading - value of leading field

remaining - values of all remaining fields

Returns:

interval value

getDisplaySize

public static int getDisplaySize(int type,
 int precision,
 int scale)

Returns display size for the specified qualifier, precision and fractional seconds precision.

Parameters:

type - the value type

precision - leading field precision

scale - fractional seconds precision. Ignored if specified type of interval does not have seconds.

Returns:

display size

getSQL

public StringBuilder getSQL(StringBuilder builder,
 int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder

getType

public TypeInfo getType()

Description copied from interface: Typed

Returns the data type.

Specified by:

getType in interface Typed

Specified by:

getType in class Value

Returns:

the data type

getValueType

public int getValueType()

Description copied from class: Value

Get the value type.

Specified by:

getValueType in class Value

Returns:

the value type

getMemory

public int getMemory()

Description copied from class: Value

Get the memory used by this object.

Overrides:

getMemory in class Value

Returns:

the memory used in bytes

checkPrecision

boolean checkPrecision(long prec)

Check if the precision is smaller or equal than the given precision.

Parameters:

prec - the maximum precision

Returns:

true if the precision of this value is smaller or equal to the given precision

setPrecisionAndScale

ValueInterval setPrecisionAndScale(TypeInfo targetType,
 Object column)

getString

public String getString()

Description copied from class: Value

Get the value as a string.

Specified by:

getString in class Value

Returns:

the string

getLong

public long getLong()

Description copied from class: Value

Returns this value as a Java long value.

Overrides:

getLong in class Value

Returns:

value

getBigDecimal

public BigDecimal getBigDecimal()

Overrides:

getBigDecimal in class Value

getFloat

public float getFloat()

Description copied from class: Value

Returns this value as a Java float value.

Overrides:

getFloat in class Value

Returns:

value

getDouble

public double getDouble()

Description copied from class: Value

Returns this value as a Java double value.

Overrides:

getDouble in class Value

Returns:

value

getInterval

public Interval getInterval()

Returns the interval.

Returns:

the interval

getQualifier

public IntervalQualifier getQualifier()

Returns the interval qualifier.

Returns:

the interval qualifier

isNegative

public boolean isNegative()

Returns where the interval is negative.

Returns:

where the interval is negative

getLeading

public long getLeading()

Returns value of leading field of this interval. For SECOND intervals returns integer part of seconds.

Returns:

value of leading field

getRemaining

public long getRemaining()

Returns combined value of remaining fields of this interval. For SECOND intervals returns nanoseconds.

Returns:

combined value of remaining fields

hashCode

public int hashCode()

Specified by:

hashCode in class Value

equals

public boolean equals(Object obj)

Description copied from class: Value

Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.

Specified by:

equals in class Value

Parameters:

obj - the other value

Returns:

true if they are equal

compareTypeSafe

public int compareTypeSafe(Value v,
 CompareMode mode,
 CastDataProvider provider)

Description copied from class: Value

Compare this value against another value given that the values are of the same data type.

Specified by:

compareTypeSafe in class Value

Parameters:

v - the other value

mode - the compare mode

provider - the cast information provider

Returns:

0 if both values are equal, -1 if the other value is smaller, and 1 otherwise

getSignum

public int getSignum()

Overrides:

getSignum in class Value

add

public Value add(Value v)

Description copied from class: Value

Add a value and return the result.

Overrides:

add in class Value

Parameters:

v - the value to add

Returns:

the result

subtract

public Value subtract(Value v)

Description copied from class: Value

Subtract a value and return the result.

Overrides:

subtract in class Value

Parameters:

v - the value to subtract

Returns:

the result

negate

public Value negate()

Description copied from class: Value

Return -value if this value support arithmetic operations.

Overrides:

negate in class Value

Returns:

the negative